MD5Digest.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2012  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_MD5Digest_hxx
#define __ccxx_MD5Digest_hxx

#include <commonc++/Digest.h++>

namespace ccxx {

class COMMONCPP_API MD5Digest : public Digest
{
  public:

  MD5Digest() throw();

  virtual ~MD5Digest() throw();

  inline virtual size_t size() const throw()
  { return(16); }

  virtual void update(const byte_t *buf, size_t len) throw(IOException);

  virtual void finish(byte_t *digest) throw();

  virtual void reset() throw();

  private:

  void _byteReverse(byte_t *buf, uint32_t longs) throw();
  void transform(uint32_t buf[4], uint32_t const in[16]) throw();

  uint32_t _buf[4];
  uint32_t _bits[2];
  byte_t _in[64];

  CCXX_COPY_DECLS(MD5Digest);
};

}; // namespace ccxx

#endif // __ccxx_MD5Digest_hxx

/* end of header file */